With the analysis among 1,011 patents, we discovered top 122 key players by total patent application. TOSHIBA Corp., Hitachi Ltd., Mitsubishi Electric Corp. are dominant in this area. They take 52.72% of the total patent filing.
Tokyo-to, Japan
Patent: 233
Tokyo-to, Japan
Patent: 201
Tokyo-to, Japan
Patent: 99
Tokyo-to, Japan
Patent: 83
Bayern, Germany
Patent: 26
Jiangsu Sheng, China
Patent: 24
Beijing Shi, China
Patent: 23
Tokyo-to, Japan
Patent: 22
Shaanxi Sheng, China
Patent: 20
Jiangsu Sheng, China
Patent: 19
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With the analysis among related 82 patents applied in the last 5 years. We discover 43 most active companies in this area. The fast-growing Nanjing Nari Jibao Electric Co. Ltd., NR Electric Co., Ltd., Xian XD Power Systems Co., Ltd. take 48.78% of patent filing during this period.
Jiangsu Sheng, China
Patent: 18
Jiangsu Sheng, China
Patent: 13
Shaanxi Sheng, China
Patent: 9
Shaanxi Sheng, China
Patent: 9
Henan Sheng, China
Patent: 6
Henan Sheng, China
Patent: 6
Anhui Sheng, China
Patent: 4
Jiangsu Sheng, China
Patent: 4
Guangdong Sheng, China
Patent: 4
Beijing Shi, China
Patent: 4
With the analysis among related 82 patents in last 5 years, we discover 28 new entrants. Xian XD Power Systems Co., Ltd., XJ Group Corp., Hefei Institutes of Physical Science are the most active new entrants in this area.
Shaanxi Sheng, China
Patent: 9
Henan Sheng, China
Patent: 6
Anhui Sheng, China
Patent: 4
Guangdong Sheng, China
Patent: 4
Beijing Shi, China
Patent: 3
Hubei Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 2
Sichuan Sheng, China
Patent: 2
Shaanxi Sheng, China
Patent: 2
With the analysis among 126 patents, we discovered top 18 universities and scientific research institutions by total patent application. Zhejiang University, Tsinghua University, Hefei Institutes of Physical Science are dominant in this area. They take 18.25% of the total patent filing.
Zhejiang Sheng, China
Patent: 6
Beijing Shi, China
Patent: 5
Anhui Sheng, China
Patent: 4
AGH University of Science & Technology
Shaanxi Sheng, China
Patent: 2
Sichuan Sheng, China
Patent: 2
Beijing Shi, China
Patent: 2
Hubei Sheng, China
Patent: 2
Beijing Shi, China
Patent: 2